Supono, Supono and Setyawan, Agus and Harpeni, Esti (2016) Performances of white shrimp (Litopenaeus vannamei) cultured in low salinities combined with indigenous bacteria. In: International conference of Aquaculture Indonesia 2016, 27-29 Oktober 2016, Bali. (Unpublished)

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Abstract

White shrimp (Litopenaeus vannamei) culture is one of the world’s biggest aquaculture activities. Shrimp ponds are source of wastes like ammonia, urea, phosphorus, and hydrogen sulfide which can pollute the coastal and reduce the cultured white shrimp’s performance. Application of indigenous is one of the solutions to reduce negative impact of shrimp culture and also increase growth and survival rate of cultured white shrimp in low salinity water. Two indigenous bacteria have been isolated from pond in East Lampung, Indonesia namely Bacillus. coagulants and Bacillus polymyxa. The research goal was to study the effects of indigenous B. coagulants and B. polymyxa bacteria on white shrimp performance cultured in low salinity media. This research consisted of two treatments, namely treatment A (cultured by giving combination of B. coagulants and B. polymyxa bacteria) and treatment B (Cultured without giving combination of bacteria) which each treatment consisted of 4 replicates. Observed parameters were growth, survival rate, biomass, feed conversion ratio, total ammonia nitrogen (TAN), total organic carbon, identification of dominant plankton and water quality (temperature, pH, DO, and salinity). Results showed that cultured shrimp in treatment with bacteria and without bacteria gave average absolute growth value of 11, 29 g and 10, 75 g and average growth rate value of 0,179 g/day and 0,149 g/day respectively. Treatment with bacteria had average survival rate of 72 % and treatment without bacteria 65 %. Based from t-test results, all observed parameters between two treatments were not significantly different in 95 % of confidence level. Key words: B. coagulants, B. polymyxa, growth rate, survival rate, white shrimp

Item Type: Conference or Workshop Item (Speech)
Subjects: S Agriculture > SH Aquaculture. Fisheries. Angling
Divisions: Fakultas Pertanian (FP) > Prodi Budidaya Perairan
Depositing User: SUPONO
Date Deposited: 04 Mar 2020 01:16
Last Modified: 04 Mar 2020 01:16
URI: http://repository.lppm.unila.ac.id/id/eprint/18231

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